John Hooker <[log in to unmask]> wrote (in <[log in to unmask]
com>) about 'Detectorists : News travels fast', on Mon, 21 Jul 2003:
>Suphur is not a great problem as it
>produces a hard black oxide
Sulfide, not oxide. Unexpectedly, silver has a greater affinity for
sulfur than for oxygen.
>patina that protects the interior, but when
>chemical interaction produces silver chloride it can be a very serious
That must be some powerful stuff, if it converts metallic silver to the
chloride. I suppose sodium chlorate might convert silver sulfide to
silver chlorate and sodium sulfate, and then the chlorate could
decompose to leave the chloride. But who would put sodium chlorate (a
powerful biocide) on a field?
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk
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